1. A carrier for delivering a substance to cells producing an extracellular matrix in the intestine, a carrier containing a retinoid as a targeting agent for cells producing an extracellular matrix in the intestine. The carrier according to claim 1, wherein the retinoid contains retinol. 3. The carrier according to claim 1 or 2, wherein the carrier comprises a retinoid and a carrier component other than the retinoid, wherein the molar ratio of the retinoid to the carrier component other than the retinoid is from 8: 1 to 1: 4.4. A pharmaceutical composition for treating intestinal fibrosis, comprising a carrier according to any one of claims. 1-3 and a drug for monitoring the activity or growth of cells producing an extracellular matrix in the intestine. 5. A pharmaceutical composition for regenerating normal intestinal tissue from intestinal fibrous tissue, comprising a carrier according to any one of claims. 1-3 and a drug for monitoring the activity or growth of cells producing an extracellular matrix in the intestine. 6. The pharmaceutical composition of claim 4 or 5, wherein the medicament for controlling the activity or growth of cells producing an extracellular matrix in the intestine is selected from the group consisting of a substance for inhibiting the production and secretion of an extracellular matrix component, a cell growth inhibitor, an apoptosis inducing substance, TIMP inhibitor and α1-antitrypsin inhibitor. 7. The pharmaceutical composition of claim 6, wherein the substance for inhibiting the production and secretion of an extracellular matrix component is an HSP47.8 inhibitor. The pharmaceutical composition according to any one of paragraphs. 4-7, where the composition is in the form obtained at the time of use. Set to receive1. Носитель для доставки вещества к клеткам, продуцирующим внеклеточный матрикс в кишечнике, носитель, содержащий ретиноид в качестве нацеливающего средства для клеток, продуцирующих внеклеточный матрикс в кишечнике.2. Носител